Home / 2,457.21-3,688.11-1,534.53

Finding the Fourth Proportional to 2,457.21, 3,688.11 and 1,534.53

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Solution

The fourth proportional to 2,457.21, 3,688.11 and 1,534.53 is: 2,303.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,457.21 : 3,688.11 = 1,534.53 : x
  2. Step 2: Convert to fraction form
    2,457.21/3,688.11 = 1,534.53/x
  3. Step 3: Cross multiply
    2,457.21x = 3,688.11 × 1,534.53
  4. Step 4: Simplify right side
    2,457.21x = 5,659,515.44
  5. Step 5: Solve for x
    x = 5,659,515.44/2,457.21
  6. Step 6: Final answer
    x = 2,303.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.