Home / 7,576.89-10,445.91-5,305.17

Finding the Fourth Proportional to 7,576.89, 10,445.91 and 5,305.17

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Solution

The fourth proportional to 7,576.89, 10,445.91 and 5,305.17 is: 7,314.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,576.89 : 10,445.91 = 5,305.17 : x
  2. Step 2: Convert to fraction form
    7,576.89/10,445.91 = 5,305.17/x
  3. Step 3: Cross multiply
    7,576.89x = 10,445.91 × 5,305.17
  4. Step 4: Simplify right side
    7,576.89x = 55,417,402.19
  5. Step 5: Solve for x
    x = 55,417,402.19/7,576.89
  6. Step 6: Final answer
    x = 7,314.00

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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.