Home / 5,011.24-7,517.60-1,547.68

Finding the Fourth Proportional to 5,011.24, 7,517.60 and 1,547.68

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Solution

The fourth proportional to 5,011.24, 7,517.60 and 1,547.68 is: 2,321.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,011.24 : 7,517.60 = 1,547.68 : x
  2. Step 2: Convert to fraction form
    5,011.24/7,517.60 = 1,547.68/x
  3. Step 3: Cross multiply
    5,011.24x = 7,517.60 × 1,547.68
  4. Step 4: Simplify right side
    5,011.24x = 11,634,839.17
  5. Step 5: Solve for x
    x = 11,634,839.17/5,011.24
  6. Step 6: Final answer
    x = 2,321.75

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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.