Home / 7,475.98-10,317-4,118.93

Finding the Fourth Proportional to 7,475.98, 10,317 and 4,118.93

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Solution

The fourth proportional to 7,475.98, 10,317 and 4,118.93 is: 5,684.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,475.98 : 10,317 = 4,118.93 : x
  2. Step 2: Convert to fraction form
    7,475.98/10,317 = 4,118.93/x
  3. Step 3: Cross multiply
    7,475.98x = 10,317 × 4,118.93
  4. Step 4: Simplify right side
    7,475.98x = 42,495,000.81
  5. Step 5: Solve for x
    x = 42,495,000.81/7,475.98
  6. Step 6: Final answer
    x = 5,684.21

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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.