Home / 5,070.12-7,606.35-2,148.54

Finding the Fourth Proportional to 5,070.12, 7,606.35 and 2,148.54

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Solution

The fourth proportional to 5,070.12, 7,606.35 and 2,148.54 is: 3,223.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,070.12 : 7,606.35 = 2,148.54 : x
  2. Step 2: Convert to fraction form
    5,070.12/7,606.35 = 2,148.54/x
  3. Step 3: Cross multiply
    5,070.12x = 7,606.35 × 2,148.54
  4. Step 4: Simplify right side
    5,070.12x = 16,342,547.23
  5. Step 5: Solve for x
    x = 16,342,547.23/5,070.12
  6. Step 6: Final answer
    x = 3,223.31

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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.