Home / 7,158.33-9,878.54-4,176.23

Finding the Fourth Proportional to 7,158.33, 9,878.54 and 4,176.23

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Solution

The fourth proportional to 7,158.33, 9,878.54 and 4,176.23 is: 5,763.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,158.33 : 9,878.54 = 4,176.23 : x
  2. Step 2: Convert to fraction form
    7,158.33/9,878.54 = 4,176.23/x
  3. Step 3: Cross multiply
    7,158.33x = 9,878.54 × 4,176.23
  4. Step 4: Simplify right side
    7,158.33x = 41,254,984.83
  5. Step 5: Solve for x
    x = 41,254,984.83/7,158.33
  6. Step 6: Final answer
    x = 5,763.21

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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.