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Finding the Fourth Proportional to 5,397.16, 7,460.76 and 5,347.48

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Solution

The fourth proportional to 5,397.16, 7,460.76 and 5,347.48 is: 7,392.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,397.16 : 7,460.76 = 5,347.48 : x
  2. Step 2: Convert to fraction form
    5,397.16/7,460.76 = 5,347.48/x
  3. Step 3: Cross multiply
    5,397.16x = 7,460.76 × 5,347.48
  4. Step 4: Simplify right side
    5,397.16x = 39,896,264.88
  5. Step 5: Solve for x
    x = 39,896,264.88/5,397.16
  6. Step 6: Final answer
    x = 7,392.08

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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.