Home / 5,459.32-7,536.40-4,115.47

Finding the Fourth Proportional to 5,459.32, 7,536.40 and 4,115.47

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Solution

The fourth proportional to 5,459.32, 7,536.40 and 4,115.47 is: 5,681.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,459.32 : 7,536.40 = 4,115.47 : x
  2. Step 2: Convert to fraction form
    5,459.32/7,536.40 = 4,115.47/x
  3. Step 3: Cross multiply
    5,459.32x = 7,536.40 × 4,115.47
  4. Step 4: Simplify right side
    5,459.32x = 31,015,836.99
  5. Step 5: Solve for x
    x = 31,015,836.99/5,459.32
  6. Step 6: Final answer
    x = 5,681.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.