Home / 7,389.04-10,196.84-4,077.04

Finding the Fourth Proportional to 7,389.04, 10,196.84 and 4,077.04

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Solution

The fourth proportional to 7,389.04, 10,196.84 and 4,077.04 is: 5,626.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,389.04 : 10,196.84 = 4,077.04 : x
  2. Step 2: Convert to fraction form
    7,389.04/10,196.84 = 4,077.04/x
  3. Step 3: Cross multiply
    7,389.04x = 10,196.84 × 4,077.04
  4. Step 4: Simplify right side
    7,389.04x = 41,572,924.55
  5. Step 5: Solve for x
    x = 41,572,924.55/7,389.04
  6. Step 6: Final answer
    x = 5,626.30

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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.