Home / 5,810.65-8,018.58-3,158.13

Finding the Fourth Proportional to 5,810.65, 8,018.58 and 3,158.13

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Solution

The fourth proportional to 5,810.65, 8,018.58 and 3,158.13 is: 4,358.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,810.65 : 8,018.58 = 3,158.13 : x
  2. Step 2: Convert to fraction form
    5,810.65/8,018.58 = 3,158.13/x
  3. Step 3: Cross multiply
    5,810.65x = 8,018.58 × 3,158.13
  4. Step 4: Simplify right side
    5,810.65x = 25,323,718.06
  5. Step 5: Solve for x
    x = 25,323,718.06/5,810.65
  6. Step 6: Final answer
    x = 4,358.16

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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.