Home / 1,563.18-2,356.48-1,457.48

Finding the Fourth Proportional to 1,563.18, 2,356.48 and 1,457.48

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Solution

The fourth proportional to 1,563.18, 2,356.48 and 1,457.48 is: 2,197.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,563.18 : 2,356.48 = 1,457.48 : x
  2. Step 2: Convert to fraction form
    1,563.18/2,356.48 = 1,457.48/x
  3. Step 3: Cross multiply
    1,563.18x = 2,356.48 × 1,457.48
  4. Step 4: Simplify right side
    1,563.18x = 3,434,522.47
  5. Step 5: Solve for x
    x = 3,434,522.47/1,563.18
  6. Step 6: Final answer
    x = 2,197.14

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.