Home / 5,315.43-7,335.59-2,957.52

Finding the Fourth Proportional to 5,315.43, 7,335.59 and 2,957.52

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Solution

The fourth proportional to 5,315.43, 7,335.59 and 2,957.52 is: 4,081.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,315.43 : 7,335.59 = 2,957.52 : x
  2. Step 2: Convert to fraction form
    5,315.43/7,335.59 = 2,957.52/x
  3. Step 3: Cross multiply
    5,315.43x = 7,335.59 × 2,957.52
  4. Step 4: Simplify right side
    5,315.43x = 21,695,139.35
  5. Step 5: Solve for x
    x = 21,695,139.35/5,315.43
  6. Step 6: Final answer
    x = 4,081.54

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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.