Home / 7,376.10-10,178.28-4,543.02

Finding the Fourth Proportional to 7,376.10, 10,178.28 and 4,543.02

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Solution

The fourth proportional to 7,376.10, 10,178.28 and 4,543.02 is: 6,268.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,376.10 : 10,178.28 = 4,543.02 : x
  2. Step 2: Convert to fraction form
    7,376.10/10,178.28 = 4,543.02/x
  3. Step 3: Cross multiply
    7,376.10x = 10,178.28 × 4,543.02
  4. Step 4: Simplify right side
    7,376.10x = 46,240,129.61
  5. Step 5: Solve for x
    x = 46,240,129.61/7,376.10
  6. Step 6: Final answer
    x = 6,268.91

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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.