Home / 7,047.10-9,718.28-4,214.01

Finding the Fourth Proportional to 7,047.10, 9,718.28 and 4,214.01

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Solution

The fourth proportional to 7,047.10, 9,718.28 and 4,214.01 is: 5,811.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,047.10 : 9,718.28 = 4,214.01 : x
  2. Step 2: Convert to fraction form
    7,047.10/9,718.28 = 4,214.01/x
  3. Step 3: Cross multiply
    7,047.10x = 9,718.28 × 4,214.01
  4. Step 4: Simplify right side
    7,047.10x = 40,952,929.10
  5. Step 5: Solve for x
    x = 40,952,929.10/7,047.10
  6. Step 6: Final answer
    x = 5,811.32

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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.