Home / 5,435.10-8,152.65-3,102.30

Finding the Fourth Proportional to 5,435.10, 8,152.65 and 3,102.30

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Solution

The fourth proportional to 5,435.10, 8,152.65 and 3,102.30 is: 4,653.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,435.10 : 8,152.65 = 3,102.30 : x
  2. Step 2: Convert to fraction form
    5,435.10/8,152.65 = 3,102.30/x
  3. Step 3: Cross multiply
    5,435.10x = 8,152.65 × 3,102.30
  4. Step 4: Simplify right side
    5,435.10x = 25,291,966.10
  5. Step 5: Solve for x
    x = 25,291,966.10/5,435.10
  6. Step 6: Final answer
    x = 4,653.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.