Home / 2,700.03-3,720.49-2,070.53

Finding the Fourth Proportional to 2,700.03, 3,720.49 and 2,070.53

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Solution

The fourth proportional to 2,700.03, 3,720.49 and 2,070.53 is: 2,853.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,700.03 : 3,720.49 = 2,070.53 : x
  2. Step 2: Convert to fraction form
    2,700.03/3,720.49 = 2,070.53/x
  3. Step 3: Cross multiply
    2,700.03x = 3,720.49 × 2,070.53
  4. Step 4: Simplify right side
    2,700.03x = 7,703,386.16
  5. Step 5: Solve for x
    x = 7,703,386.16/2,700.03
  6. Step 6: Final answer
    x = 2,853.07

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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.