Home / 2,457.94-3,390.28-1,573.36

Finding the Fourth Proportional to 2,457.94, 3,390.28 and 1,573.36

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Solution

The fourth proportional to 2,457.94, 3,390.28 and 1,573.36 is: 2,170.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,457.94 : 3,390.28 = 1,573.36 : x
  2. Step 2: Convert to fraction form
    2,457.94/3,390.28 = 1,573.36/x
  3. Step 3: Cross multiply
    2,457.94x = 3,390.28 × 1,573.36
  4. Step 4: Simplify right side
    2,457.94x = 5,334,130.94
  5. Step 5: Solve for x
    x = 5,334,130.94/2,457.94
  6. Step 6: Final answer
    x = 2,170.16

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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.