Home / 2,457.04-3,390.20-1,461.96

Finding the Fourth Proportional to 2,457.04, 3,390.20 and 1,461.96

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Solution

The fourth proportional to 2,457.04, 3,390.20 and 1,461.96 is: 2,017.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,457.04 : 3,390.20 = 1,461.96 : x
  2. Step 2: Convert to fraction form
    2,457.04/3,390.20 = 1,461.96/x
  3. Step 3: Cross multiply
    2,457.04x = 3,390.20 × 1,461.96
  4. Step 4: Simplify right side
    2,457.04x = 4,956,336.79
  5. Step 5: Solve for x
    x = 4,956,336.79/2,457.04
  6. Step 6: Final answer
    x = 2,017.20

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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.