Home / 1,501.19-2,247.51-1,249.01

Finding the Fourth Proportional to 1,501.19, 2,247.51 and 1,249.01

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Solution

The fourth proportional to 1,501.19, 2,247.51 and 1,249.01 is: 1,869.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,501.19 : 2,247.51 = 1,249.01 : x
  2. Step 2: Convert to fraction form
    1,501.19/2,247.51 = 1,249.01/x
  3. Step 3: Cross multiply
    1,501.19x = 2,247.51 × 1,249.01
  4. Step 4: Simplify right side
    1,501.19x = 2,807,151.23
  5. Step 5: Solve for x
    x = 2,807,151.23/1,501.19
  6. Step 6: Final answer
    x = 1,869.96

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Half scale
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Double scale
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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.