Home / 7,059.07-9,741.36-3,915.06

Finding the Fourth Proportional to 7,059.07, 9,741.36 and 3,915.06

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Solution

The fourth proportional to 7,059.07, 9,741.36 and 3,915.06 is: 5,402.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,059.07 : 9,741.36 = 3,915.06 : x
  2. Step 2: Convert to fraction form
    7,059.07/9,741.36 = 3,915.06/x
  3. Step 3: Cross multiply
    7,059.07x = 9,741.36 × 3,915.06
  4. Step 4: Simplify right side
    7,059.07x = 38,138,008.88
  5. Step 5: Solve for x
    x = 38,138,008.88/7,059.07
  6. Step 6: Final answer
    x = 5,402.70

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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.