Home / 2,957.04-4,080.28-1,698.16

Finding the Fourth Proportional to 2,957.04, 4,080.28 and 1,698.16

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Solution

The fourth proportional to 2,957.04, 4,080.28 and 1,698.16 is: 2,343.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,957.04 : 4,080.28 = 1,698.16 : x
  2. Step 2: Convert to fraction form
    2,957.04/4,080.28 = 1,698.16/x
  3. Step 3: Cross multiply
    2,957.04x = 4,080.28 × 1,698.16
  4. Step 4: Simplify right side
    2,957.04x = 6,928,968.28
  5. Step 5: Solve for x
    x = 6,928,968.28/2,957.04
  6. Step 6: Final answer
    x = 2,343.21

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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.