Home / 5,353.19-7,387.85-2,995.55

Finding the Fourth Proportional to 5,353.19, 7,387.85 and 2,995.55

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Solution

The fourth proportional to 5,353.19, 7,387.85 and 2,995.55 is: 4,134.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,353.19 : 7,387.85 = 2,995.55 : x
  2. Step 2: Convert to fraction form
    5,353.19/7,387.85 = 2,995.55/x
  3. Step 3: Cross multiply
    5,353.19x = 7,387.85 × 2,995.55
  4. Step 4: Simplify right side
    5,353.19x = 22,130,674.07
  5. Step 5: Solve for x
    x = 22,130,674.07/5,353.19
  6. Step 6: Final answer
    x = 4,134.11

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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.