Home / 2,970.03-4,098.68-1,851.42

Finding the Fourth Proportional to 2,970.03, 4,098.68 and 1,851.42

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Solution

The fourth proportional to 2,970.03, 4,098.68 and 1,851.42 is: 2,554.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,970.03 : 4,098.68 = 1,851.42 : x
  2. Step 2: Convert to fraction form
    2,970.03/4,098.68 = 1,851.42/x
  3. Step 3: Cross multiply
    2,970.03x = 4,098.68 × 1,851.42
  4. Step 4: Simplify right side
    2,970.03x = 7,588,378.13
  5. Step 5: Solve for x
    x = 7,588,378.13/2,970.03
  6. Step 6: Final answer
    x = 2,554.98

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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.