Home / 7,158.27-9,877.91-4,133.51

Finding the Fourth Proportional to 7,158.27, 9,877.91 and 4,133.51

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Solution

The fourth proportional to 7,158.27, 9,877.91 and 4,133.51 is: 5,703.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,158.27 : 9,877.91 = 4,133.51 : x
  2. Step 2: Convert to fraction form
    7,158.27/9,877.91 = 4,133.51/x
  3. Step 3: Cross multiply
    7,158.27x = 9,877.91 × 4,133.51
  4. Step 4: Simplify right side
    7,158.27x = 40,830,474.79
  5. Step 5: Solve for x
    x = 40,830,474.79/7,158.27
  6. Step 6: Final answer
    x = 5,703.96

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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.