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Finding the Fourth Proportional to 1,798.90, 2,483.19 and 1,612.06

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Solution

The fourth proportional to 1,798.90, 2,483.19 and 1,612.06 is: 2,225.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,798.90 : 2,483.19 = 1,612.06 : x
  2. Step 2: Convert to fraction form
    1,798.90/2,483.19 = 1,612.06/x
  3. Step 3: Cross multiply
    1,798.90x = 2,483.19 × 1,612.06
  4. Step 4: Simplify right side
    1,798.90x = 4,003,051.27
  5. Step 5: Solve for x
    x = 4,003,051.27/1,798.90
  6. Step 6: Final answer
    x = 2,225.28

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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.