Home / 7,459.69-10,287.52-5,775.70

Finding the Fourth Proportional to 7,459.69, 10,287.52 and 5,775.70

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Solution

The fourth proportional to 7,459.69, 10,287.52 and 5,775.70 is: 7,965.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,459.69 : 10,287.52 = 5,775.70 : x
  2. Step 2: Convert to fraction form
    7,459.69/10,287.52 = 5,775.70/x
  3. Step 3: Cross multiply
    7,459.69x = 10,287.52 × 5,775.70
  4. Step 4: Simplify right side
    7,459.69x = 59,417,629.26
  5. Step 5: Solve for x
    x = 59,417,629.26/7,459.69
  6. Step 6: Final answer
    x = 7,965.16

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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.