Home / 2,715.09-3,746.97-1,720.01

Finding the Fourth Proportional to 2,715.09, 3,746.97 and 1,720.01

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Solution

The fourth proportional to 2,715.09, 3,746.97 and 1,720.01 is: 2,373.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,715.09 : 3,746.97 = 1,720.01 : x
  2. Step 2: Convert to fraction form
    2,715.09/3,746.97 = 1,720.01/x
  3. Step 3: Cross multiply
    2,715.09x = 3,746.97 × 1,720.01
  4. Step 4: Simplify right side
    2,715.09x = 6,444,807.13
  5. Step 5: Solve for x
    x = 6,444,807.13/2,715.09
  6. Step 6: Final answer
    x = 2,373.70

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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.