Home / 7,925.51-10,937.81-4,389.05

Finding the Fourth Proportional to 7,925.51, 10,937.81 and 4,389.05

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Solution

The fourth proportional to 7,925.51, 10,937.81 and 4,389.05 is: 6,057.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,925.51 : 10,937.81 = 4,389.05 : x
  2. Step 2: Convert to fraction form
    7,925.51/10,937.81 = 4,389.05/x
  3. Step 3: Cross multiply
    7,925.51x = 10,937.81 × 4,389.05
  4. Step 4: Simplify right side
    7,925.51x = 48,006,551.26
  5. Step 5: Solve for x
    x = 48,006,551.26/7,925.51
  6. Step 6: Final answer
    x = 6,057.22

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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.