Home / 7,315.19-10,094.89-3,957.93

Finding the Fourth Proportional to 7,315.19, 10,094.89 and 3,957.93

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Solution

The fourth proportional to 7,315.19, 10,094.89 and 3,957.93 is: 5,461.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,315.19 : 10,094.89 = 3,957.93 : x
  2. Step 2: Convert to fraction form
    7,315.19/10,094.89 = 3,957.93/x
  3. Step 3: Cross multiply
    7,315.19x = 10,094.89 × 3,957.93
  4. Step 4: Simplify right side
    7,315.19x = 39,954,854.16
  5. Step 5: Solve for x
    x = 39,954,854.16/7,315.19
  6. Step 6: Final answer
    x = 5,461.90

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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.