Home / 7,382.10-10,180.80-5,807.46

Finding the Fourth Proportional to 7,382.10, 10,180.80 and 5,807.46

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Solution

The fourth proportional to 7,382.10, 10,180.80 and 5,807.46 is: 8,009.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,382.10 : 10,180.80 = 5,807.46 : x
  2. Step 2: Convert to fraction form
    7,382.10/10,180.80 = 5,807.46/x
  3. Step 3: Cross multiply
    7,382.10x = 10,180.80 × 5,807.46
  4. Step 4: Simplify right side
    7,382.10x = 59,124,588.77
  5. Step 5: Solve for x
    x = 59,124,588.77/7,382.10
  6. Step 6: Final answer
    x = 8,009.18

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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.