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Finding the Fourth Proportional to 1,597.48, 2,396.22 and 913

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Solution

The fourth proportional to 1,597.48, 2,396.22 and 913 is: 1,369.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,597.48 : 2,396.22 = 913 : x
  2. Step 2: Convert to fraction form
    1,597.48/2,396.22 = 913/x
  3. Step 3: Cross multiply
    1,597.48x = 2,396.22 × 913
  4. Step 4: Simplify right side
    1,597.48x = 2,187,748.86
  5. Step 5: Solve for x
    x = 2,187,748.86/1,597.48
  6. Step 6: Final answer
    x = 1,369.50

Related Problems

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Half scale
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Double scale
Find fourth proportional to 1,598.48, 2,397.72 and 914
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.